Lacuna

/ləˈk(j)uː.nə/ noun

noun ·Moderate ·High school level

Meaning at a glance

  • Primary sense: A small opening; a small pit or depression, especially in bone.
  • Grammar: lacuna is listed as noun.
  • Nearest alternatives: blank, gap, hiatus, absence.
  • Useful contrasts: completeness, comprehensiveness, continuity.
  • Usage evidence: "Our young friend makes up for many obvious mental lacunæ by some measure of primitive common sense," remarked Challenger.

How to use "lacuna"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "lacuna" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "lacuna" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "lacuna" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "lacuna" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "lacuna" is acting as noun in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "blank" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "lacuna", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Noun
  1. 1
    A small opening; a small pit or depression, especially in bone.
  2. 2
    a blank gap or missing part wordnet
  3. 3
    A small opening; a small pit or depression, especially in bone.; A space visible between cells, allowing free passage of light.
  4. 4
    A small blank space; a gap or vacancy; a hiatus.

    ""Our young friend makes up for many obvious mental lacunæ by some measure of primitive common sense," remarked Challenger."

  5. 5
    A small blank space; a gap or vacancy; a hiatus.; An absent part, especially in a book or other piece of writing, often referring to an ancient manuscript or similar.

    "Long lacunae in this inscription make interpretation difficult."

Show 2 more definitions
  1. 6
    A small blank space; a gap or vacancy; a hiatus.; Any gap, break, hole, or lack in a set of things; something missing. figuratively

    "For Beatrice Nutter, there will always be conspicuous lacunae in our mutual understanding, but after almost 30 years here, the anomalies now delight rather than confound her."

  2. 7
    A small blank space; a gap or vacancy; a hiatus.; A language gap, which occurs when there is no direct translation in the target language for a lexical term found in the source language.

Example

""Our young friend makes up for many obvious mental lacunæ by some measure of primitive common sense," remarked Challenger."

Common questions

What does "lacuna" mean?

A small opening; a small pit or depression, especially in bone.

What is a synonym for "lacuna"?

Common synonyms include: blank, gap, hiatus, absence, alveolation, alveolus.

How do you use "lacuna" in a sentence?

"Our young friend makes up for many obvious mental lacunæ by some measure of primitive common sense," remarked Challenger.

How do you pronounce "lacuna"?

Pronounced /ləˈk(j)uː.nə/.

Etymology

Learned borrowing from Latin lacūna (“a ditch, pit; a hollow, cavity; a gap, defect”). Doublet of lacune and lagoon.

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